单词	保留样品
释义	保留样品retention sample
随便看	have a grudge against someone have a habit of v-ing have a haemorrhage have a haircut have a hand at have a hand in have a hand in the pie have a handle on have a hand like a foot have a hangover have a hard head have a hard on for have a hard-on for have a hard time have a hard time (of it) have a hard time of it have a hate against someone have a hate against (或on) someone have a hate on someone have a hat in the ring have a hat into the ring have a hatred for ... have a hatred of ... have a head have a headache